feat: enable eslint in danger

.github/workflows/danger_pr.yml

@@ -12,6 +12,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - run: yarn install
+        working-directory: .
       - run: yarn install
         working-directory: bots
       - name: Danger

bots/dangerfile.js

@@ -11,6 +11,8 @@
 
 const {danger, fail, message, warn} = require('danger');
 const includes = require('lodash.includes');
+const { execSync } = require('child_process');
+const fs = require('fs');
 
 const isFromPhabricator =
   danger.github.pr.body &&
@@ -112,3 +114,34 @@ if (isMergeRefStable) {
     },
   );
 }
+
+console.log("Running eslint on Danger")
+const js_files = danger.git.modified_files.filter((name) => name.endsWith('.js') || name.endsWith('.jsx') )
+if (js_files.length > 0) {
+  const joined_files = js_files.map((name) => process.cwd() + "/../" + name).join(' ');
+  try {
+    const res = execSync(`npx eslint ${joined_files[0]}`);// -f json ${joined_files}`);
+    console.log('Eslint result');
+    console.log(res.toString());
+//     const eslintOutput = fs.readFileSync('/tmp/eslint.output', 'utf8');
+//     const eslintJSON = JSON.parse(eslintOutput);
+//     const faultyFiles = eslintJSON.filter((file) => file.messages.length > 0);
+
+//     let messageText = ""
+//     faultyFiles.forEach((file) => {
+//       const path = file.filePath
+//       const splitPath = path.split("/")
+//       messageText += `${splitPath[splitPath.length - 1]} - ${path}\n`
+
+//       file.messages.forEach((msg) => {
+//         const emoji = msg.severity === 1 ? "⚠️" : msg.severity === 2 ? "⛔️" : "✅"
+//         const format = `${emoji} - [${msg.line}:${msg.column}] ${msg.message} (${msg.ruleId})\n`
+//         messageText += format
+//       })
+//     })
+//     warn(messageText);
+
+  } catch (err) {
+    fail(`Couldn't read the lint file output\n${err}`);
+  }
+}